553 lines
20 KiB
Dart
553 lines
20 KiB
Dart
// Author: fruit.com.cn
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:provider/provider.dart';
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import 'package:video_player/video_player.dart';
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import '../../core/data/models/drama.dart';
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import '../../core/data/services/favorite_controller.dart';
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import '../../core/data/services/download_controller.dart';
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import '../../core/data/services/interaction_controller.dart';
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import '../../core/data/services/playback_session.dart';
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import '../../core/data/services/video_player_port.dart';
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import '../../core/data/services/wallet_controller.dart';
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import '../../core/formatting/error_text.dart';
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import '../../core/platform/haptics.dart';
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import '../../core/theme/app_colors.dart';
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import '../../core/theme/app_theme.dart';
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import '../../core/widgets/auth_gate.dart';
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import '../../core/widgets/download_action.dart';
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import '../../l10n/app_localizations.dart';
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import 'player_binding.dart';
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import 'player_logic.dart';
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import 'widgets/home_feed_header.dart';
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import 'widgets/home_feed_overlay.dart';
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import 'widgets/exit_clear_screen_button.dart';
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import 'widgets/player_center_toggle.dart';
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import 'widgets/player_more_sheet.dart';
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import 'widgets/player_overlay.dart';
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import 'widgets/player_overlay_models.dart';
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import 'widgets/player_speed_sheet.dart';
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import 'widgets/player_unlock_sheet.dart';
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import '../../core/data/repositories/watch_history_repository.dart';
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import '../../core/data/repositories/playback_repository.dart';
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part 'player_view_actions.dart';
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const double _boostPlaybackSpeed = 2.0;
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class PlayerPage extends StatefulWidget {
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const PlayerPage({
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super.key,
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required this.drama,
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required this.initialIndex,
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this.homeMode = false,
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this.embedded = false,
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this.active = true,
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this.resumeRequest = 0,
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this.backRequest = 0,
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this.onDiscover,
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this.onMy,
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this.onSearch,
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this.onMenu,
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this.feedDramas,
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this.onDramaChanged,
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this.onImmersiveChanged,
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this.onOpenFullPlayer,
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this.onRefreshFeed,
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this.wallet,
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this.downloads,
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});
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final Drama drama;
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final int initialIndex;
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final bool homeMode;
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final bool embedded;
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final bool active;
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final int resumeRequest;
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final int backRequest;
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final VoidCallback? onDiscover;
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final VoidCallback? onMy;
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final VoidCallback? onSearch;
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final VoidCallback? onMenu;
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final List<Drama>? feedDramas;
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final ValueChanged<Drama>? onDramaChanged;
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final ValueChanged<bool>? onImmersiveChanged;
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final Future<void> Function(Drama drama, Episode episode)? onOpenFullPlayer;
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final Future<bool> Function()? onRefreshFeed;
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final WalletController? wallet;
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final DownloadController? downloads;
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@override
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State<PlayerPage> createState() => _PlayerPageState();
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}
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class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
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late final PlayerLogic logic;
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bool _chromeVisible = true;
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double _playbackSpeed = 1.0;
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bool _boosting = false;
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double? _speedBeforeBoost;
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bool? _chromeBeforeBoost;
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/// 收藏切换后的本地增量：基准是详情快照，切换成功按服务端状态 ±1。
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final Map<String, int> _favoriteDelta = {};
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@override
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void initState() {
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super.initState();
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logic = PlayerBinding().create(
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history: context.read<WatchHistoryRepository>(),
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playback: context.read<PlaybackRepository>(),
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wallet: widget.wallet,
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downloads: widget.downloads,
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);
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logic.attach(widget, isMounted: () => mounted);
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WidgetsBinding.instance.addObserver(this);
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logic.start(
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factory: context.read<PlayerFactory>(),
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coordinator: context.read<PlaybackCoordinator>(),
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);
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}
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@override
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void didUpdateWidget(covariant PlayerPage oldWidget) {
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super.didUpdateWidget(oldWidget);
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logic.attach(widget, isMounted: () => mounted);
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logic.onPageUpdated(oldWidget);
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}
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@override
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void didChangeAppLifecycleState(AppLifecycleState state) {
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logic.onLifecycle(state);
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}
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@override
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void dispose() {
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WidgetsBinding.instance.removeObserver(this);
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logic.dispose();
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super.dispose();
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}
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void _updatePlaybackSpeed(double value) {
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setState(() => _playbackSpeed = value);
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}
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void _hideChrome() {
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setState(() => _chromeVisible = false);
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}
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/// 长按两侧：切 2 倍速并清屏，记下进入前的状态用于松手恢复。
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void _startBoost() {
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if (_boosting) return;
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// 暂停时长按两侧先恢复播放，再进入 2 倍速。
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if (!logic.session.userWantsPlay) logic.session.setUserWantsPlay(true);
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setState(() {
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_boosting = true;
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_speedBeforeBoost = _playbackSpeed;
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_chromeBeforeBoost = _chromeVisible;
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_playbackSpeed = _boostPlaybackSpeed;
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_chromeVisible = false;
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});
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unawaited(logic.setPlaybackSpeed(_boostPlaybackSpeed));
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}
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/// 松手或手势取消：恢复长按前的倍速与清屏状态。
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void _endBoost() {
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if (!_boosting) return;
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final speed = _speedBeforeBoost ?? _playbackSpeed;
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final chrome = _chromeBeforeBoost ?? true;
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setState(() {
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_boosting = false;
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_speedBeforeBoost = null;
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_chromeBeforeBoost = null;
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_playbackSpeed = speed;
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_chromeVisible = chrome;
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});
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unawaited(logic.setPlaybackSpeed(speed));
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}
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/// 收藏状态确认后同步右侧计数（总数没有独立计数接口，按 ±1 跟随）。
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void _applyFavoriteDelta(String dramaId, {required bool nowSaved}) {
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setState(() {
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_favoriteDelta[dramaId] =
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(_favoriteDelta[dramaId] ?? 0) + (nowSaved ? 1 : -1);
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});
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}
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@override
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Widget build(BuildContext context) {
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return ListenableBuilder(
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listenable: logic,
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builder: (context, _) => _buildPlayer(context),
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);
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}
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Widget _buildPlayer(BuildContext context) {
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final interactions = context.watch<InteractionController>();
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final l10n = AppLocalizations.of(context)!;
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final indices = logic.visibleIndices;
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final pages = logic.pages;
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final content = AnimatedBuilder(
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animation: logic.session,
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builder: (context, _) => PageView.builder(
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controller: pages,
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scrollDirection: Axis.vertical,
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allowImplicitScrolling: true,
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itemCount: indices.length,
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onPageChanged: (position) {
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final index = indices[position];
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widget.onDramaChanged?.call(logic.queue.entryAt(index).drama);
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unawaited(logic.selectEpisode(index));
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},
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itemBuilder: (context, position) =>
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_buildEpisode(context, indices[position], interactions),
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),
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);
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final body = Stack(
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fit: StackFit.expand,
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children: [
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content,
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if (widget.homeMode && !_boosting && !logic.pip && !logic.pipPreparing)
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Positioned(
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top: 0,
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left: 0,
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right: 0,
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child: SafeArea(
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bottom: false,
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child: HomeFeedHeader(
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l10n: l10n,
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onRefresh: () async {
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final ok = await widget.onRefreshFeed?.call() ?? true;
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if (context.mounted && !ok) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(SnackBar(content: Text(l10n.catalogError)));
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}
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return ok;
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},
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onSearch: widget.onSearch ?? () => logic.showDiscover(context),
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onMore: _openCurrentMore,
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),
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),
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),
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],
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);
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return AnnotatedRegion<SystemUiOverlayStyle>(
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value: SystemUiOverlayStyle.dark,
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child: Theme(
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data: AppTheme.light(),
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child: widget.embedded
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? body
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: Scaffold(
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key: const Key('player-scaffold'),
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backgroundColor: Colors.transparent,
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body: body,
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),
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),
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);
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}
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void _openCurrentMore() {
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final entry = logic.queue.entryAt(logic.session.currentIndex);
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_openMore(context, entry.episode);
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}
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Widget _buildEpisode(
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BuildContext context,
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int index,
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InteractionController interactions,
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) {
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final l10n = AppLocalizations.of(context)!;
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final entry = logic.queue.entryAt(index);
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final drama = entry.drama;
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final episode = widget.homeMode
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? logic.displayEpisode(drama, entry.episode)
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: entry.episode;
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final selected = index == logic.session.currentIndex;
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// Selection changes before the prepared slot is promoted. Use its controller
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// throughout the handoff instead of briefly falling back to a placeholder.
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final port =
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(selected ? logic.session.active : null) ??
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logic.session.preparedPlayerAt(index);
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final videoPort = port is VideoPlayerPort ? port : null;
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final ready = videoPort?.controller.value.isInitialized ?? false;
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final theater = logic.pip || logic.pipPreparing;
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Widget? video;
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if (ready) {
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video = GestureDetector(
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onTap: () =>
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logic.session.setUserWantsPlay(!logic.session.userWantsPlay),
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child: FittedBox(
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fit: theater ? BoxFit.contain : BoxFit.cover,
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child: SizedBox(
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width: videoPort!.controller.value.size.width,
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height: videoPort.controller.value.size.height,
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child: VideoPlayer(
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videoPort.controller,
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key: ValueKey(videoPort.controller),
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),
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),
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),
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);
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}
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return Stack(
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fit: StackFit.expand,
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children: [
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if (!ready)
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const ColoredBox(
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key: Key('player-fallback-background'),
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color: Colors.black,
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),
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?video,
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if (widget.homeMode && _chromeVisible && !logic.chromeHidden)
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Positioned.fill(
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child: GestureDetector(
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key: const Key('home-feed-video-toggle'),
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behavior: HitTestBehavior.opaque,
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onTap: () =>
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logic.session.setUserWantsPlay(!logic.session.userWantsPlay),
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),
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),
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// 票据三态之一：起播前正在向后端要签名地址
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if (selected && logic.ticketLoading)
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const Center(
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child: CircularProgressIndicator(color: AppColors.blueSoft),
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),
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// 票据三态之二：拿票失败（断网/服务异常）→ 可重试，不假装在加载
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if (selected && !logic.ticketLoading && logic.ticketError != null)
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Center(
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 36),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(
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Icons.wifi_off_rounded,
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color: Colors.white70,
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size: 36,
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),
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const SizedBox(height: 12),
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Text(
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errorText(l10n, logic.ticketError, l10n.playbackError),
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textAlign: TextAlign.center,
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style: const TextStyle(color: Colors.white70),
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),
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const SizedBox(height: 12),
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FilledButton(
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onPressed: () => unawaited(logic.retryTicket()),
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child: Text(l10n.retry),
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),
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],
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),
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),
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),
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if (selected && logic.session.loading)
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const Center(
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child: CircularProgressIndicator(color: AppColors.blueSoft),
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),
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if (selected && !ready && logic.session.error != null)
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Center(
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 36),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(
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Icons.error_outline_rounded,
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color: Colors.white70,
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size: 36,
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),
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const SizedBox(height: 12),
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Text(
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l10n.playbackError,
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textAlign: TextAlign.center,
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style: const TextStyle(color: Colors.white70),
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),
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],
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),
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),
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),
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// 没有票据信息时的兜底（例如详情里就没地址、也没走票据流程）
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if (selected &&
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!ready &&
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logic.blockedEpisodeId != episode.id &&
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logic.session.error == null &&
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logic.session.isLocked)
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Center(
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 36),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(
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Icons.movie_filter_outlined,
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color: Colors.white70,
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size: 36,
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),
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const SizedBox(height: 12),
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Text(
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episode.locked
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? l10n.lockedTitle(episode.number)
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: l10n.noMediaNotice,
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textAlign: TextAlign.center,
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style: const TextStyle(color: Colors.white70),
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),
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],
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),
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),
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),
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if (logic.pip || logic.pipPreparing)
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const SizedBox.expand()
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else if (widget.homeMode)
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HomeFeedOverlay(
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l10n: l10n,
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drama: drama,
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episode: episode,
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controller: ready ? videoPort!.controller : null,
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visible: _chromeVisible,
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boosting: _boosting,
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onBoostStart: _startBoost,
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onBoostEnd: _endBoost,
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onTogglePlay: () =>
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logic.session.setUserWantsPlay(!logic.session.userWantsPlay),
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liked: interactions.isLiked(drama.id),
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likeCount: interactions.likeCount(drama.id) ?? drama.likeCount,
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favoriteCount: drama.favoriteCount == null
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? null
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: drama.favoriteCount! + (_favoriteDelta[drama.id] ?? 0),
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commentCount: drama.commentCount,
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saved: context.watch<FavoriteController>().isSaved(drama.id),
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onLike: () async {
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if (await ensureSignedIn(context)) {
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if (!context.mounted) return;
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unawaited(context.read<Haptics>().lightImpact());
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final result = await interactions.toggleDramaLike(drama.id);
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if (!result.isSuccess && context.mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(
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result.errorMessage ??
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AppLocalizations.of(context)!.likeFailed,
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),
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),
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);
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}
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}
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},
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onSave: () async {
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final favorites = context.read<FavoriteController>();
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if (await ensureSignedIn(context)) {
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if (!context.mounted) return;
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unawaited(context.read<Haptics>().lightImpact());
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final ok = await favorites.toggle(drama.id, card: drama);
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if (ok || !context.mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text(l10n.favoriteToggleFailed)),
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);
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}
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},
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onComments: () => logic.showComments(context, drama),
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onShare: () => logic.shareDrama(context, drama),
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onDetail: () => unawaited(logic.openDetail(context)),
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onOpenFullPlayer: () async {
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await widget.onOpenFullPlayer?.call(drama, episode);
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if (!mounted || !widget.active) return;
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logic.session.setUserWantsPlay(true);
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},
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onMore: _openCurrentMore,
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onScrubStart: ready ? () => logic.beginScrub(videoPort!) : null,
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onSeek: ready
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? (position) => logic.seekTo(context, videoPort!, position)
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: null,
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)
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else
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PlayerPlaybackOverlay(
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data: PlayerOverlayData(
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l10n: l10n,
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drama: drama,
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episode: episode,
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controller: ready ? videoPort!.controller : null,
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liked: interactions.isLiked(drama.id),
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likeCount: interactions.likeCount(drama.id) ?? drama.likeCount,
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commentCount: drama.commentCount,
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favoriteCount: drama.favoriteCount == null
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? null
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: drama.favoriteCount! + (_favoriteDelta[drama.id] ?? 0),
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saved: context.watch<FavoriteController>().isSaved(drama.id),
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playing: logic.session.userWantsPlay,
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playbackSpeed: _playbackSpeed,
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totalEpisodes: logic.visibleIndices.length,
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boosting: _boosting,
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),
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actions: PlayerOverlayActions(
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onBack: widget.embedded
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? null
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: () => unawaited(logic.leave(context)),
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onTogglePlay: () =>
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logic.session.setUserWantsPlay(!logic.session.userWantsPlay),
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onClear: () => setState(() => _chromeVisible = false),
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onExitClear: () => setState(() => _chromeVisible = true),
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onDetail: () => unawaited(logic.openDetail(context)),
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onSpeed: () => unawaited(_openSpeedSheet(context)),
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onEpisodes: () => logic.showEpisodes(context),
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onComments: () => logic.showComments(context, drama),
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onLike: () =>
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unawaited(_toggleLike(context, interactions, drama)),
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onSave: () => unawaited(_toggleSave(context, drama)),
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onShare: () => logic.shareDrama(context, drama),
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onMore: () => _openMore(context, episode),
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onScrubStart: ready ? () => logic.beginScrub(videoPort!) : null,
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onSeek: ready
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? (position) => logic.seekTo(context, videoPort!, position)
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|
: null,
|
|
onLongPressCenter: () => _openMore(context, episode),
|
|
onBoostStart: _startBoost,
|
|
onBoostEnd: _endBoost,
|
|
),
|
|
controlsVisible: _chromeVisible,
|
|
),
|
|
// 票据三态之三：后端判定不可播放 —— 用 accessType 驱动文案，不在前端猜
|
|
if (selected && !ready && logic.blockedEpisodeId == episode.id)
|
|
PlayerBlockedNotice(
|
|
l10n: l10n,
|
|
episode: episode,
|
|
accessType: logic.blockedTicket?.accessType,
|
|
unlockCoin: logic.blockedTicket?.unlockCoin ?? 0,
|
|
unlocking: logic.unlockingEpisodeId == episode.id,
|
|
error: logic.unlockError,
|
|
onOpenUnlock: logic.wallet == null
|
|
? null
|
|
: () => _openUnlockSheet(context, index, episode),
|
|
),
|
|
if (widget.homeMode && !_chromeVisible)
|
|
Positioned(
|
|
right: 12,
|
|
bottom: 56,
|
|
child: ExitClearScreenButton(
|
|
key: const Key('home-feed-exit-clear-screen'),
|
|
tooltip: l10n.exitClearScreen,
|
|
onPressed: () => setState(() => _chromeVisible = true),
|
|
),
|
|
),
|
|
if (widget.homeMode &&
|
|
!logic.chromeHidden &&
|
|
selected &&
|
|
!logic.session.userWantsPlay)
|
|
Center(
|
|
child: PlayerCenterToggle(
|
|
key: const Key('home-feed-center-play'),
|
|
playing: false,
|
|
onTap: () =>
|
|
logic.session.setUserWantsPlay(!logic.session.userWantsPlay),
|
|
),
|
|
),
|
|
],
|
|
);
|
|
}
|
|
}
|